New Tilt Trim End Cap/gland Seal Assy For Mercury Mariner 99638a1

(1) Alternative to Part # 1100- 8M0021648, 99638A1, 8M0021648, 878243A1 of function and performance. Lower Unit Seal Kit. Work efficiency is greatly improved. 4) This Outboard Motor Trim Cylinder End Cap / Guide Assy will be an Indispensable helper when repair and maintain your boat.